Background: Studies suggests a correlation between physical activity and mental health, particularly in children and adolescents. However, the specific mechanisms underlying this relationship is not fully understood. This study was designed to investigate the potential mediating role of emotion regulation and the moderating influence of gender through a moderated mediation model.
Methods: A sample size of 4763 students (mean age = 11.12 ± 1.48 years, 52.8 % females) from seven schools in Shenzhen, China, was recruited during the period of October to November 2023. The participants were administered self-reported questionnaires assessing physical activity, mental health, and emotion regulation. The moderated mediation model was analyzed. Data analysis was conducted using SPSS 25.0.
Results: The results indicate a negative correlation between physical activity and mental health problems (all p < 0.001). This association was partially mediated by both cognitive reappraisal and expressive suppression (all p < 0.001). Additionally, gender significant moderated the path between physical activity and emotion regulation, specifically cognitive reappraisal (p < 0.001) and expressive suppression (p < 0.01).
Limitations: As a result of the cross-sectional design, no causal relationship could be established, and measurement bias should be noted.
Conclusion: Physical activity is found to have a positive effect on the mental health problem of children and adolescents with emotion regulation serve as a partial mediator in the relationship. Additionally, in the mediation model, gender influences the first half of the path.
Keywords: Adolescent; Children; Emotion regulation; Mental health; Moderated mediation model; Physical activity.
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